I don't know about the new ones but I run Screaming Eagle syn3 in my 96tc. It never uses any and seems to run cooler. I also don't worry about servicing every 2500 as I used to do with an 80 inch evo. The Dyna never uses or drops anything and go for 5000 without worry. The owner's manual recommends oil change at 5k so I don't worry about it. Just my thoughts. Enjoy your ride! Ken

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I'd rather have a bottle in front of me than a frontal labotomy.

Full Synthetic if you can afford the extra expense. What convinced me is all the people that say "it isn't necessary". Even though I agree. With regular changes. Almost any spec grade oil will do. But that little bit extra never hurt anything.

If you can afford a $15000+ bike you can afford a couple of twelve dollar quarts of oil when you service your bike... Stock bikes come with conventional except cvo's but nothing but i believe in synthetic.

You put Synthetic in all three holes? I have bought Syn Amsoil 20-50W and going to put in all three holes as the manual recommends that. However I have the Severe Gear that I can use. not sure which I will use but I feel I should follow HD's recommendation and put same in all 3 holes.

I will have to get a couple ears to see if they notice any diff with Amsoil Syn 20-50 in the trans.